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Dianna Bastian, M.D.
NPI 1700869476 · Internal Medicine Physician · Phoenix, AZ
Dianna Bastian, M.D. is a Internal Medicine Physician provider in Phoenix, AZ (NPI 1700869476).
Provider details
- NPI number
- 1700869476
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 34793 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
9100 N 2nd St
Suite 121
Phoenix, AZ 85020-2446
Phone: (602) 997-7331
Fax: (602) 870-4512
Street-level locationGet directions
Mailing address
9100 N 2nd St
Phoenix, AZ 85020-2446
Registry dates
- Enumerated
- 2005-11-27
- Last updated
- 2008-07-21
Frequently asked questions
- What is Dianna Bastian's NPI number?
- Dianna Bastian's National Provider Identifier (NPI) is 1700869476, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianna Bastian's specialty?
- Dianna Bastian is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dianna Bastian located?
- Dianna Bastian's practice location on file with NPPES is 9100 N 2nd St, Phoenix, AZ 85020-2446.
- What is Dianna Bastian's phone number?
- The practice phone number listed in the NPPES registry for Dianna Bastian is (602) 997-7331.
- Is Dianna Bastian's NPI active?
- Yes — Dianna Bastian's NPI (1700869476) is active in the NPPES registry as of the last update on 2008-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.